1. Alexander Butlerov Institute of Chemistry Kazan Federal University Kremlyovskaya 18 420008 Kazan Russian Federation
2. Arbuzov Institute of Organic and Physical Chemistry FRC Kazan Scientific Center Russian Academy of Sciences Arbuzov Street 8 420088 Kazan Russian Federation
3. Institute of Chemistry of Organometallic Compounds (ICCOM) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
4. Faculty of Chemistry and Mineralogy Institute of Inorganic Chemistry Leipzig University Johannisallee 29 04103 Leipzig Germany